/**
 * 单测环境补丁 —— happy-dom 缺少组件依赖的若干浏览器 API。
 *
 * happy-dom 没有真实布局引擎，所以：
 * - 依赖实测尺寸的逻辑（浮层定位、Splitter 拖拽）拿不到有效值，那类行为放到 E2E（Playwright）里验；
 * - 这里只补「不补就会抛错」的 API，让组件能正常挂载与交互。
 */

class ResizeObserverStub {
  observe(): void {}
  unobserve(): void {}
  disconnect(): void {}
}

if (!('ResizeObserver' in globalThis)) {
  ;(globalThis as unknown as Record<string, unknown>).ResizeObserver = ResizeObserverStub
}

if (typeof window !== 'undefined') {
  if (!window.matchMedia) {
    window.matchMedia = ((query: string) => ({
      matches: false,
      media: query,
      onchange: null,
      addListener: () => {},
      removeListener: () => {},
      addEventListener: () => {},
      removeEventListener: () => {},
      dispatchEvent: () => false,
    })) as unknown as typeof window.matchMedia
  }

  if (!Element.prototype.scrollIntoView) {
    Element.prototype.scrollIntoView = () => {}
  }

  // happy-dom 未实现 PointerEvent 时用 MouseEvent 兜底，保证指针交互的监听能注册
  if (!('PointerEvent' in window)) {
    ;(window as unknown as Record<string, unknown>).PointerEvent = MouseEvent
  }
}